﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            U u1 = new U("爱国者");
            u1.read();
            u1.write();
            u1.speak();
            Console.WriteLine();
            Mobile mo = new Mobile("乱杀乱杀");
            mo.read();
            mo.write();
            mo.speak();


        }
    }
}
